# Using with Docker

This article assumes you are familiar with Docker and know how to create images and containers.

You can create a Docker image to run Alfresco Content App in the container.

## Using public Docker images

You can find all latest images for ACA in the [alfresco-content-app]( https://hub.docker.com/r/alfresco/alfresco-content-app/) DockerHub repository.

### Tags

- `latest`: latest stable release (`master` branch), available with 1.1 release or later
- `development`: most recent code (`development` branch)

In addition, there are images for feature branches, pull requests and Travis CI builds.

### Example

You can run latest `development` build locally with the following command:

```sh
docker run -p 3000:80 alfresco/alfresco-content-app:development
```

The default image expects an ACS 5.2.2 or later running at port `8080`.
You may also need CORS settings to be applied for your ACS installation or image.

## Building from source code

You need to run the following commands to build the project from the source code:

```sh
npm install
npm run build
```

That produces a build in the "dist" folder that you can use with a Docker image.

Also, you may need to update the `dist/app.config.json` file with the settings relevant to your scenario.

## Creating an image

The Content Application provides a "Dockerfile" file in the repository root.
You can build the image with the following command:

```sh
docker image build -t content-app .
```

## Running image in a container

To run the image locally, you can use the following command:

```sh
docker container run -p 8888:80 --rm content-app
```

Navigate to "http://localhost:8888" to access the running application.

## Docker Compose file

You can also use the "docker-compose" file for local development and testing.
To build and run a container run the following command in the root project folder:

```sh
docker-compose up
```

To perform a cleanup operation, use the next command:

```sh
docker-compose down --rmi all
```

Navigate to "http://localhost:4200" to access the running application.

Please keep in mind that you should manually build the project every time you want to publish the image or run it locally with the container.

## Using with local ACS setup

If you run ACS at port 8080 as a Docker container (typical development configuration), you can use the following command to build the project before creating an image:

```sh
npm run build:dev
```

The command above updates the "dist/app.config.json" file to point the Content App to "http://localhost:8080" upon startup.
Alternatively, you can change the configuration file manually before generating an image.

So, the development workflow, in this case, is going to be:

```sh
npm run build:dev
docker-compose up
```

Navigate to "http://localhost:4200" to access the running application.

To perform a cleanup operation, use the next command:

```sh
docker-compose down --rmi all
```

## Publishing to Docker Hub

First of all, if you do not have a Docker Hub account, you can register here: https://hub.docker.com/, the registration is absolutely free.

Next, it is recommended that you get a clean build of the application:

```sh
npm install
npm run build:dev
```

The commands above are going to produce a fresh build that is stored in the `dist` folder.
At this point, you can make modifications to the final code in the `dist` folder if needed.
For example you may want to change the `app.config.json` file content.

Now you can build your first version of the image:

```sh
docker image build -t myaccount/content-app:1.0 .
```

Where `myaccount` is usually your Docker Hub account name.

Please note the ending "." symbol at the end of the command. It instructs the Docker to take current folder where the `Dockerfile` is located.

To publish the newly created image use the next command:

```sh
docker push myaccount/content-app:1.0
```

## Running from Docker Hub

To quickly test the published image, or run it on another machine, use the following command:

```sh
docker container run -p 80:80 --rm myaccount/content-app:1.0
```

The `--rm` switch means the Docker will cleanup the container and image data once you stop the process.

You may also want to remove your local image before trying out the Docker Hub: 
`docker image rm myaccount/content-app:1.0`